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Gwar [14]
3 years ago
12

Solve by elimination 5x-y=12 3x+2y=2

Mathematics
2 answers:
Ber [7]3 years ago
7 0
(2)5x-y=12
   3x+2y=2
10x-2y=12
 3x+2y=2
13x=2
x=0.15
Ket [755]3 years ago
7 0
Eliminate y
time first equation by 2 an add them together


10x-2y=24
<u>3x+2y=2 +</u>
13x+0y=26

13x=26
divide both sides by 13
x=2

sub back

3x+2y=2
3(2)+2y=2
6+2y=2
minus 6
2y=-4
divide 2
y=-2

(x,y)
(2,-2)
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The weekly salaries of sociologists in the United States are normally distributed and have a known population standard deviation
netineya [11]

THIS IS THE COMPLETE QUESTION BELOW;

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z0.10 z0.05 z0.025 z0.01 z0.005

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Answer

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